Chief Election Commissioner (CEC).

He placed the demands at a press conference held at Narsingdi Press Club yesterday evening.

In a written statement, Munna said the supporters of the four-party alliance candidate threatened his supporters and ousted them from almost all the polling booths during the by-polls on Wednesday.

He alleged that the cadres of the ruling alliance candidate cast false votes with the help of presiding officers and law enforcers at the polling stations.

He said police arrested his driver Nader prior to the election. "I informed it to the local administration, but they did not pay attention to the matter. Rather, they played a key role to ensure the victory of the four-party alliance candidate in the by-polls," Munna said

He also alleged that the activists of the four-party alliance candidate attacked the houses of his activists even after the by-polls.

'They also threatened my family members over my wife's mobile phone,' he added.

He alleged that the ruling party activists attacked the house of his brother Shahajuddin at Comilla colony in the town, forcing him to take refuge at his ancestral home at Baushia.

Munna also alleged that the supporters of alliance candidate fired on his workers on Wednesday night at Sheba Sangha intersection, leaving many of them injured.